142893 has 6 divisors (see below), whose sum is σ = 206414. Its totient is φ = 95256.
The previous prime is 142873. The next prime is 142897. The reversal of 142893 is 398241.
142893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 142884 + 9 = 378^2 + 3^2 .
It is not a de Polignac number, because 142893 - 29 = 142381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142897) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7930 + ... + 7947.
2142893 is an apocalyptic number.
It is an amenable number.
142893 is a deficient number, since it is larger than the sum of its proper divisors (63521).
142893 is a wasteful number, since it uses less digits than its factorization.
142893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15883 (or 15880 counting only the distinct ones).
The product of its digits is 1728, while the sum is 27.
The square root of 142893 is about 378.0119045744. The cubic root of 142893 is about 52.2801692332.
It can be divided in two parts, 1428 and 93, that added together give a square (1521 = 392).
The spelling of 142893 in words is "one hundred forty-two thousand, eight hundred ninety-three".
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